\documentclass{report}

\usepackage{geometry,sectsty,xcolor,hyperref,amsthm}
\usepackage[inline]{enumitem}

\newtheorem{thm}{قضیه}[chapter]

\usepackage{xepersian}


\geometry{a4paper,top=2.6cm, bottom=2.8cm, left=2.2cm, right=2.3cm}

\settextfont[Scale=1.1]{XB Zar}
\setlatintextfont{Arial}

\begin{document}

\begin{thm}
تست 
\end{thm}

\begin{thm}
تست 
\end{thm}

\end{document}